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Thats great Picasso. LOL, you have saved me from a restless night. Would have been handy if they had said that in the manual. Big thanks.

Hi Picasso, not come across that before , so do the orange switch lives and the Rt connection connect into terminal 10 . . Cheers

LOL, you just told me sommat I already knew, what i would like to know is how it connects into the s plan wiring system. Normally the room stat would be connected to the zone valve. cheers

Me too but there you have it., guess he hasn't come across this configuration before. But i guess from your reply you are going to explain it to me , unless you dont know either LOL

No Chris, im a sparky working with a gas safe engineer.

Hi , got a glowworm 3 25r boiler on a S plan system, Im confused what wires go where. The programmer is a Honey well ST699. It asks in the boiler manual for a common electric supply for the boiler and for the corresponding controller. There are two mains wiring connection points in the...

Thanks for the replies , its great to see how we all interpret the regs. I was thinking along the lines of chapter 13. The fundamental principles, As we know the regs aren’t set in stone so as long as an installation complies with the fundamentals of the regs then it should be allowable. I...

Hi is it necessary to have a cpc on a lighting circuit when all fittings and switches are non conductive and the final circuits are RCBO protected. Its an older installation fitted when regs were different. Just wondered if they had changed. An 18th edition reference would be handy . Thanks for...

Hi, I wonder if you could give me a straight answer to this question. I have searched hi and low but seem to only find opinions. I have been offered a heat only boiler that is 8 months old. The reason for sale is that the owners have decided to change the system to a combi for some reason. Is it...

Thanks echoes, Spot on. the siphon on one of the loos was passing .

Thanks echoes, I totally forgot that some of the loos may be low pressure . I will check them Sunday morning when I’m at the property . Thanks terry plumb, the ball cock is operating fine it’s the tank that keeps emptying for some reason.

Hi, the ball cock on my cold water header tank on my s plan heating system is continually adding water to the tank yet there are no taps on and no signs of a leak. The hot water is fully pumped by the way. I don’t know if this is related but the header tank for the heating system has warm water...